Submission #45461

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
45461	2018-04-14 07:54:26	choikiwon	Long Mansion (JOI17_long_mansion)	C++17	100 / 100	1609 ms	241772 KiB

long_mansion

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#include<bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
const int MN = 500010;
int N, Q;
int C[MN];
vector<int> A[MN], B[MN];
int L[MN], R[MN], X[MN], Y[MN];
struct BIT {
    vector<int> tree;
    void init() {
        tree = vector<int>(4 * N, -1e9);
    }
    void upd(int idx, int val, int l, int r, int n) {
        if(idx < l || r < idx) return;
        if(l == r) {
            tree[n] = val;
            return;
        }
        int m = (l + r)>>1;
        upd(idx, val, l, m, 2*n);
        upd(idx, val, m + 1, r, 2*n + 1);
        tree[n] = max(tree[2*n], tree[2*n + 1]);
    }
    int quer(int a, int b, int l, int r, int n) {
        if(b < l || r < a) return -1e9;
 
 
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Compilation message (stderr)

long_mansion.cpp: In function 'int main()':
long_mansion.cpp:59:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j = 0; j < A[i].size(); j++) {
                        ~~^~~~~~~~~~~~~
long_mansion.cpp:42:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
long_mansion.cpp:45:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &C[i]);
         ~~~~~^~~~~~~~~~~~~
long_mansion.cpp:50:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int k; scanf("%d", &k);
                ~~~~~^~~~~~~~~~
long_mansion.cpp:53:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &A[i][j]);
             ~~~~~^~~~~~~~~~~~~~~~
long_mansion.cpp:130:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &Q);
     ~~~~~^~~~~~~~~~
long_mansion.cpp:133:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int x, y; scanf("%d %d", &x, &y);
                   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 15 / 15
• Subtask 4: 75 / 75